LIPID MEMBRANE STRUCTURE FOR siRNA INTRACELLULAR DELIVERY
申请人:NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
公开号:US20170273905A1
公开(公告)日:2017-09-28
A lipid membrane structure encapsulating an siRNA inside thereof and containing a lipid compound of the formula (I) as a lipid component (R
1
and R
2
represent CH
3
—(CH
2
)
n
—CH═CH—CH
2
—CH═CH—(CH
2
)
m
—, n represents an integer of 3 to 5, m represents an integer of 6 to 10, p represents an integer of 2 to 7, and R
3
and R
4
represent a C
1-4
alkyl group or a C
2-4
alkenyl group.
A lipid membrane structure for delivering a substance to a target cell having satisfactory cell permeability, selectivity for target cell, and in vivo stability, wherein lipid membrane is modified with (a) a polyalkylene glycol bound with a target cell-selective ligand; and (b) a polypeptide comprising a plurality of arginine residues.
Lipid membrane structure for intracellular delivery of siRNA
申请人:NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
公开号:US10182987B2
公开(公告)日:2019-01-22
A lipid membrane structure encapsulating an siRNA inside thereof and containing a lipid compound of the formula (I) as a lipid component (R1 and R2 represent CH3—(CH2)n—CH═CH—CH2—CH═CH—(CH2)m—, n represents an integer of 3 to 5, m represents an integer of 6 to 10, p represents an integer of 2 to 7, and R3 and R4 represent a C1-4 alkyl group or a C2-4 alkenyl group.
LIPID MEMBRANE STRUCTURE HAVING INTRANUCLEAR MIGRATING PROPERTY
申请人:Harashima Hideyoshi
公开号:US20130122054A1
公开(公告)日:2013-05-16
A lipid membrane structure for delivering a substance into a nucleus of a cell, wherein lipid membrane is modified with (a) a polypeptide comprising the amino acid sequence of SEQ ID NO: 1, and/or (b) a polypeptide consisting of an amino acid sequence comprising the amino acid sequence of SEQ ID NO: 1, but including deletion and/or substitution and/or insertion of one or several amino acid residues, and having an activity of promoting migration of the lipid membrane structure into a nucleus of a cell, which can efficiently deliver a nucleic acid into a nucleus of an immunocyte such as dendritic cell.